[1] [1] CHEN A, OSTROM C. Palladium-based nanomaterials: synthesis and electrochemical applications［J］. Chemical Reviews, 2015, 115(21): 11999-12044.

[2] [2] ZHAO X, LIU Q M, LI Q X, et al. Two-dimensional electrocatalysts for alcohol oxidation: a critical review［J］. Chemical Engineering Journal, 2020, 400: 125744.

[3] [3] HUANG L, ZAMAN S, WANG Z T, et al. Synthesis and application of platinum-based hollow nanoframes for direct alcohol fuel cells［J］. Acta Physico Chimica Sinica, 2020, 37: 202009035.

[4] [4] HREN M, HRIBERNIK S, GORGIEVA S, et al. Chitosan-Mg(OH)2 based composite membrane containing nitrogen doped GO for direct ethanol fuel cell［J］. Cellulose, 2021, 28(3): 1599-1616.

[5] [5] ZHAO G L, FANG C H, HU J W, et al. Platinum-based electrocatalysts for direct alcohol fuel cells: enhanced performances toward alcohol oxidation reactions［J］. ChemPlusChem, 2021, 86(4): 574-586.

[6] [6] WAN Z R, BAI X, MO H, et al. Multi-porous NiAg-doped Pd alloy nanoparticles immobilized on reduced graphene oxide/CoMoO4 composites as a highly active electrocatalyst for direct alcohol fuel cell［J］. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2021, 614: 126048.

[7] [7] FASHEDEMI O O, MWONGA P V, MILLER H A, et al. Performance of Pd@FeCo catalyst in anion exchange membrane alcohol fuel cells［J］. Electrocatalysis, 2021, 12(3): 295-309.

[8] [8] ADAM A M M, ADAM M I, ZHANG C M, et al. Ternary supportless Pd@Cd-Ag core-shell as advanced nanocatalysts towards electro-oxidation performance of ethanol［J］. Journal of Alloys and Compounds, 2021, 868: 158955.

[9] [9] DU X W, LUO S P, DU H Y, et al. Monodisperse and self-assembled Pt-Cu nanoparticles as an efficient electrocatalyst for the methanol oxidation reaction［J］. Journal of Materials Chemistry A, 2016, 4(5): 1579-1585.

[10] [10] GUO L, CHEN S G, LI L, et al. A CO-tolerant PtRu catalyst supported on thiol-functionalized carbon nanotubes for the methanol oxidation reaction［J］. Journal of Power Sources, 2014, 247: 360-364.

[11] [11] KIM Y S, NAM S H, SHIM H S, et al. Electrospun bimetallic nanowires of PtRh and PtRu with compositional variation for methanol electrooxidation［J］. Electrochemistry Communications, 2008, 10(7): 1016-1019.

[12] [12] DING X, YIN S B, AN K, et al. FeN stabilized FeN@Pt core-shell nanostructures for oxygen reduction reaction［J］. Journal of Materials Chemistry A, 2015, 3(8): 4462-4469.

[13] [13] LEAL DA SILVA E, CUA A, RITA ORTEGA VEGA M, et al. Influence of the support on PtSn electrocatalysts behavior: ethanol electro-oxidation performance and in situ ATR-FTIRS studies［J］. Applied Catalysis B: Environmental, 2016, 193: 170-179.

[14] [14] NARAYANAMOORTHY B, DATTA K K R, ESWARAMOORTHY M, et al. Highly active and stable Pt3Rh nanoclusters as supportless electrocatalyst for methanol oxidation in direct methanol fuel cells［J］. ACS Catalysis, 2014, 4(10): 3621-3629.

[15] [15] ZHANG Y, JANYASUPAB M, LIU C W, et al. Three dimensional PtRh alloy porous nanostructures: tuning the atomic composition and controlling the morphology for the application of direct methanol fuel cells［J］. Advanced Functional Materials, 2012, 22(17): 3570-3575.

[16] [16] ALAYOGLU S, ZAVALIJ P, EICHHORN B, et al. Structural and architectural evaluation of bimetallic nanoparticles: a case study of Pt-Ru core-shell and alloy nanoparticles［J］. ACS Nano, 2009, 3(10): 3127-3137.

[17] [17] HU Y M, ZHU A M, ZHANG Q G, et al. Preparation of PtRu/C core-shell catalyst with polyol method for alcohol oxidation［J］. International Journal of Hydrogen Energy, 2016, 41(26): 11359-11368.

[18] [18] WILSON O M, SCOTT R W J, GARCIA-MARTINEZ J C, et al. Synthesis, characterization, and structure-selective extraction of 1~3 nm diameter AuAg dendrimer-encapsulated bimetallic nanoparticles［J］. Journal of the American Chemical Society, 2005, 127(3): 1015-1024.

[19] [19] SERPELL C J, COOKSON J, OZKAYA D, et al. Core@shell bimetallic nanoparticle synthesis via anion coordination［J］. Nature Chemistry, 2011, 3(6): 478-483.

[20] [20] NILEKAR A U, ALAYOGLU S, EICHHORN B, et al. Preferential CO oxidation in hydrogen: reactivity of core shell nanoparticles［J］. Journal of the American Chemical Society, 2010, 132(21): 7418-7428.

[21] [21] JIANG M H, HU Y, ZHANG W J, et al. Regulating the alloying degree and electronic structure of Pt-Au nanoparticles for high-efficiency direct C2+ alcohol fuel cells［J］. Chemistry of Materials, 2021, 33(10): 3767-3778.

[22] [22] SHAO Y Y, YIN G P, WANG J J, et al. Multi-walled carbon nanotubes based Pt electrodes prepared with in situ ion exchange method for oxygen reduction［J］. Journal of Power Sources, 2006, 161(1): 47-53.

[23] [23] ABO-HAMED E K, PENNYCOOK T, VAYNZOF Y, et al. Highly active metastable ruthenium nanoparticles for hydrogen production through the catalytic hydrolysis of ammonia borane［J］. Small, 2014, 10(15): 3145-3152.